Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Reexamination Certificate
2005-08-16
2005-08-16
Shah, Manish S. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
C347S095000, C106S031470
Reexamination Certificate
active
06929361
ABSTRACT:
New anthrapyridone compounds represented by the general formula (14):{wherein R represents a hydrogen atom, an alkyl group (optionally substituted with mono- or di-alkylamino group), a lower alkyl group (optionally substituted with a hydroxyl group or a cyano group), or a cyclohexyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, mono- or di-alkylamino group (optionally substituted with a sulfonic acid group, a carboxy group, or a hydroxyl group), an aralkyl- or cycloalkyl-amino group, an alkoxy group, a phenoxy group (optionally substituted with a sulfonic acid group, a carboxy group, an acetylamino group, an amino group, or a hydroxyl group), an anilino group (optionally substituted with a sulfonic acid group or a carboxy group), or a naphthylamino group (optionally substituted with a sulfonic acid group); and X represents a bridging group}; or salts thereof and magenta inks containing the same, which have hues and vividness suitable for ink-jet recording and give records excellent in fastness to light, gas, water and so on.
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Fujii Katsunori
Fujii Takafumi
Matsumoto Hiroyuki
Shirasaki Yasuo
Nields & Lemack
Nippon Kayaku Kabushiki Kaisha
Shah Manish S.
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